geo/backend/app/models/detection_task.py

68 lines
2.3 KiB
Python

import uuid
from datetime import datetime, timedelta, timezone
from sqlalchemy import Boolean, DateTime, ForeignKey, Index, String, Uuid, func
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base, JSONType
VALID_FREQUENCIES = {"hourly", "daily", "weekly"}
FREQUENCY_DELTAS = {
"hourly": timedelta(hours=1),
"daily": timedelta(days=1),
"weekly": timedelta(weeks=1),
}
class DetectionTask(Base):
__tablename__ = "detection_tasks"
id: Mapped[uuid.UUID] = mapped_column(
Uuid(as_uuid=True),
primary_key=True,
default=uuid.uuid4,
)
brand_id: Mapped[uuid.UUID] = mapped_column(
Uuid(as_uuid=True),
ForeignKey("brands.id", ondelete="CASCADE"),
nullable=False,
)
user_id: Mapped[uuid.UUID] = mapped_column(
Uuid(as_uuid=True),
nullable=False,
index=True,
)
name: Mapped[str] = mapped_column(String(200), nullable=False)
frequency: Mapped[str] = mapped_column(String(20), nullable=False)
engines: Mapped[list] = mapped_column(JSONType, default=list, nullable=False)
queries: Mapped[list] = mapped_column(JSONType, default=list, nullable=False)
competitor_names: Mapped[list | None] = mapped_column(JSONType, nullable=True)
is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
last_run_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
next_run_at: Mapped[datetime | None] = mapped_column(
DateTime(timezone=True), nullable=True, default=lambda: datetime.now(timezone.utc)
)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
server_default=func.now(),
nullable=False,
)
updated_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
server_default=func.now(),
onupdate=func.now(),
nullable=False,
)
__table_args__ = (
Index("idx_detection_tasks_brand_id", "brand_id"),
Index("idx_detection_tasks_user_id", "user_id"),
Index("idx_detection_tasks_is_active", "is_active"),
)
def compute_next_run_at(self) -> datetime:
delta = FREQUENCY_DELTAS.get(self.frequency, timedelta(days=1))
base = self.last_run_at or datetime.now(timezone.utc)
return base + delta